<?php
/**
 * This file is part of workerman.
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the MIT-LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @author walkor<walkor@workerman.net>
 * @copyright walkor<walkor@workerman.net>
 * @link http://www.workerman.net/
 * @license http://www.opensource.org/licenses/mit-license.php MIT License
 */

/**
 * 用于检测业务代码死循环或者长时间阻塞等问题
 * 如果发现业务卡死，可以将下面declare打开（去掉//注释），并执行php start.php reload
 * 然后观察一段时间workerman.log看是否有process_timeout异常
 */
//declare(ticks=1);

use \GatewayWorker\Lib\Gateway;

/**
 * 主逻辑
 * 主要是处理 onConnect onMessage onClose 三个方法
 * onConnect 和 onClose 如果不需要可以不用实现并删除
 */
class Events
{
    /**
     * 当客户端连接时触发
     * 如果业务不需此回调可以删除onConnect
     * 
     * @param int $client_id 连接id
     */
    public static function onConnect($client_id)
    {
        $bind_msg = ['type'=>'bind'];
        
        // 向当前client_id发送数据 
       Gateway::sendToClient($client_id, json_encode($bind_msg));

    }
    
   /**
    * 当客户端发来消息时触发
    * @param int $client_id 连接id
    * @param mixed $message 具体消息
    */
   public static function onMessage($client_id, $message)
   {
//       var_dump($message);
       $msg_ary = json_decode($message,TRUE);
//    var_dump($msg_ary);
       if(empty($msg_ary)){
           return FALSE; 
       };
       switch ($msg_ary['type']){
            case 'say':
                $send_msg = ["type"=>"say","msg"=>$msg_ary['msg'],"fromid"=>$msg_ary['fromid'],"content"=>$msg_ary['msg'],'time'=> time()];
                $return_from = ["type"=>"save","fromid"=>$msg_ary['fromid'],"toid"=>$msg_ary['toid'],"content"=>$msg_ary['msg'],"is_read"=>0,'time'=> time()];
                
                Gateway::sendToUid($msg_ary['toid'],json_encode($send_msg));
                Gateway::sendToUid($msg_ary['fromid'], json_encode($return_from));   //返回给发送者做消息持久化
                break;
            case 'sayImg':
                 $img_msg = ["type"=>"sayImg","imgUrl"=>$msg_ary['imgUrl'],"fromid"=>$msg_ary['fromid'],"content"=>"[图片]",'time'=> time()];
                 Gateway::sendToUid($msg_ary['toid'],json_encode($img_msg));
                break;
            case 'bind':
                Gateway::bindUid($client_id, $msg_ary['fromid']);
                break;
            case 'isOnline':
                $status = Gateway::isUidOnline($msg_ary['toid']);
                Gateway::sendToUid($msg_ary['fromid'], json_encode(["type"=>"isOnline","status"=>$status]));
                break;
            default :
                return;
       } 
      
   }
   
   /**
    * 当用户断开连接时触发
    * @param int $client_id 连接id
    */
   public static function onClose($client_id)
   {
       // 向所有人发送 
//       GateWay::sendToAll("$client_id logout\r\n");
   }
}
